Ratio | |||
---|---|---|---|
Air pollution | Fumare/non fumare | Fumare/outdoor | Non fumare/outdoor |
Values in bold are significant (p<0.05). | |||
Number of measurement periods: PM2.5 and elements: 4; NO2: 3; VOC: 2. | |||
PM2.5 | 4.5 | 15.3 | 3.4 |
Elements | |||
Mg | 2.7 | 11.3 | 4.0 |
P | 3.3 | 7.3 | 2.7 |
Cl | 24.8 | 50.8 | 2.1 |
K | 7.2 | 15.3 | 2.2 |
Br | 3.0 | 4.3 | 1.5 |
NO2 | 1.2 | 1.5 | 1.2 |
VOC | |||
Benzene | 3.4 | 3.6 | 1.1 |
Toluene | 2.3 | 2.2 | 1.0 |
Ethylbenzene | 2.3 | 2.2 | 0.9 |
m/p-xylene | 2.2 | 2.2 | 1.0 |
o-xylene | 2.0 | 1.9 | 1.0 |
Styrene | 6.8 | 21.4 | 3.2 |